$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+# Start of "K" development!
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/build.prop)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/*)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/APPS/*)
+
+ # GCC 4.7
+ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES)
+ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES)
+ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/EXECUTABLES)
+ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/lib/*.o)
+
# ************************************************
# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
# ************************************************